return x > 0 & (x & (x - 1)) == 0;
  }

  /**
   * Returns 1 if {@code x < y} as unsigned longs, and 0 otherwise. Assumes that x - y fits into a
   * signed long. The implementation is branch-free, and benchmarks suggest it is measurably faster
   * than the straightforward ternary expression.
   */
  @VisibleForTesting
  static int lessThanBranchFree(long x, long y) {
    // Returns the sign bit of x - y.

//tensorflow/core/tfrt
//tensorflow/python/kernel_tests/signal
//tensorflow/examples
//tensorflow/tools/android
//tensorflow/python/eager/benchmarks
EOF

  # grep patterns for files and targets which don't need to be in the pip
  # package, ever.
  cat > $BATS_TEST_TMPDIR/ignore_these_deps <<EOF
benchmark
_test$
_test.py$
_test_cpu$
_test_cpu.py$
_test_gpu$
_test_gpu.py$
_test_lib$

под управлением Uvicorn, как <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">один из самых быстрых доступных фреймворков Python</a>, уступающий только самим Starlette и Uvicorn (используемых внутри FastAPI). (*)

Чтобы узнать больше об этом, см. раздел <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Тесты производительности</a>....

独立机构 TechEmpower 所作的基准测试结果显示，基于 Uvicorn 运行的 **FastAPI** 程序是 <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">最快的 Python web 框架之一</a>，仅次于 Starlette 和 Uvicorn 本身（FastAPI 内部使用了它们）。(*)

想了解更多，请查阅 <a href="https://fastapi.tiangolo.com/zh/benchmarks/" class="internal-link" target="_blank">基准测试</a> 章节。

## 可选依赖

用于 Pydantic：

import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentSkipListMap;

/**
 * Helper classes for various benchmarks.
 *
 * @author Christopher Swenson
 */
final class BenchmarkHelpers {
  /** So far, this is the best way to test various implementations of {@link Set} subclasses. */
  public interface CollectionsImplEnum {

  - contributing.md
  - project-generation.md
  - external-links.md
  - newsletter.md
  - management-tasks.md
- About:
  - about/index.md
  - alternatives.md
  - history-design-future.md
  - benchmarks.md
  - management.md
- release-notes.md

markdown_extensions:
  # Python Markdown
  abbr:
  attr_list:
  footnotes:
  md_in_html:
  tables:
  toc:
    permalink: true

## 🎭

🔬 🇸🇲 📇 🎦 **FastAPI** 🈸 🏃‍♂ 🔽 Uvicorn <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">1️⃣ ⏩ 🐍 🛠️ 💪</a>, 🕴 🔛 💃 &amp; Uvicorn 👫 (⚙️ 🔘 FastAPI). (*)

🤔 🌖 🔃 ⚫️, 👀 📄 <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">📇</a>.

## 📦 🔗

⚙️ Pydantic:

import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentSkipListMap;

/**
 * Helper classes for various benchmarks.
 *
 * @author Christopher Swenson
 */
final class BenchmarkHelpers {
  /** So far, this is the best way to test various implementations of {@link Set} subclasses. */
  public interface CollectionsImplEnum {

Daha fazla bilgi için, bu bölüme bir göz at <a href="https://fastapi.tiangolo.com/tr/benchmarks/" class="internal-link" target="_blank">Kıyaslamalar</a>.

## 성능

독립된 TechEmpower 벤치마크에서 Uvicorn에서 작동하는 FastAPI 어플리케이션이 <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">사용 가능한 가장 빠른 프레임워크 중 하나</a>로 Starlette와 Uvicorn(FastAPI에서 내부적으로 사용)에만 밑돌고 있습니다. (*)

자세한 내용은 <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">벤치마크</a> 섹션을 보십시오.

## 선택가능한 의존성